public void SerializeAstronaut() { var astronaut = new Astronaut { Guid = Guid.NewGuid(), Position = new Vec2(1, 2), Velocity = new Vec2(3, 4) }; // Serialize to/from JSON var json = astronaut.ToJson(); var astronaut2 = Astronaut.FromJson(json); // Assert JSON representations are equal Assert.AreEqual(json, astronaut2.ToJson()); }